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Sorting a list using Lambda/Linq to objects
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I think it's more likely because it's coming from a sort control on a web page that passes the sort column back as a string parameter. That would be my use case, anyway.
– tvanfosson
Apr 6 '09 at 20:31
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decimal vs double! - Which one should I use and when? [duplicate]
...curacy after cents digit, but really you should reserve 4 or 5 to insulate from cumulative arithmetic errors, which you CANNOT allow to corrupt the hundredths column you use to round the cents. That leaves you with 16 (total) - 2 (cents) - (4 or 5 error padding) = oh $hit only 7 (or less) reliable i...
How to change the docker image installation directory?
From what I can tell, docker images are installed to /var/lib/docker as they are pulled. Is there a way to change this location, such as to a mounted volume like /mnt ?
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Format timedelta to string
...nt(254459)) then you just use split to get the microseconds out of play. From 0:03:43.765000 I can get 0:03:43 by simply running TotalDuration=str(ConvertDuration).split('.', 2)[0]
– DarkXDroid
Feb 8 '15 at 11:51
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What is the proper way to URL encode Unicode characters?
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I would always encode in UTF-8. From the Wikipedia page on percent encoding:
The generic URI syntax mandates that new URI schemes that provide for the representation of character data in a URI must, in effect, represent characters from the unreserved se...
Wait 5 seconds before executing next line
...woefully inadequate. What if you need to sleep for 500ms before returning from the function, for instance to simulate a slow async http request?
– A.Grandt
Sep 22 '16 at 9:17
17
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Difference between char* and const char*?
...give error messages when you try to do so. For the same reason, conversion from const char * to char* is deprecated.
char* const is an immutable pointer (it cannot point to any other location) but the contents of location at which it points are mutable.
const char* const is an immutable pointer to...
Add column with constant value to pandas dataframe [duplicate]
...ere's how DataFrame.align() works with partially aligned indices:
In [7]: from pandas import DataFrame
In [8]: from numpy.random import randint
In [9]: df = DataFrame({'a': randint(3, size=10)})
In [10]:
In [10]: df
Out[10]:
a
0 0
1 2
2 0
3 1
4 0
5 0
6 0
7 0
8 0
9 0
In [11]: s = d...
How to Generate unique file names in C#
...s" is predictable and not thread-safe (as the same 'ticks' can be obtained from multiple threads/processes). This makes it not suitable for temp filename generation. Generating X..1..N may be suitable for user-facing tasks (ie. copy in Explorer), but is dubious for server work.
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Change values while iterating
...want is not possible.
The reason for this is that range copies the values from the slice you're iterating over.
The specification about range says:
Range expression 1st value 2nd value (if 2nd variable is present)
array or slice a [n]E, *[n]E, or []E inde...